Family: Baron William de Warenne / Gundred of St. Omer (F1317)
 | Ralph de Warenne (998-1075) 
|
 | Beatrice de Vascoeuil (1020- ) |
| Rudolph de Warenne (1038- ) |
| Gerbhod of St. Omer (1020- ) |
| Baron William de Warenne (1040-1088)
|
| Gundred of St. Omer (1050-1085)
|
| William de Warenne (1070-1138)  |
| Reginald de Warenne (1073- ) |
| Edith or Gundred de Warenne (1075- ) |
| Daughter de Warenne (1078- ) |